211311214253 has 4 divisors (see below), whose sum is σ = 211356769920. Its totient is φ = 211265658588.

The previous prime is 211311214243. The next prime is 211311214267. The reversal of 211311214253 is 352412113112.

211311214253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211311214253 - 2¹⁴ = 211311197869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211311214223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22770875 + ... + 22780152.

It is an arithmetic number, because the mean of its divisors is an integer number (52839192480).

Almost surely, 2^211311214253 is an apocalyptic number.

It is an amenable number.

211311214253 is a deficient number, since it is larger than the sum of its proper divisors (45555667).

211311214253 is an equidigital number, since it uses as much as digits as its factorization.

211311214253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45555666.

The product of its digits is 1440, while the sum is 26.

Adding to 211311214253 its reverse (352412113112), we get a palindrome (563723327365).

The spelling of 211311214253 in words is "two hundred eleven billion, three hundred eleven million, two hundred fourteen thousand, two hundred fifty-three".